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GB1496668A
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Publication of GB1253038ApublicationCriticalpatent/GB1253038A/en
Agricultural Chemicals And Associated Chemicals
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Abstract
1,253,038. Modifying plant growth. SCOTTISH AGRICULTURAL INDUSTRIES Ltd. 14 March, 1969 [28 March, 1968; 29 April, 1968], Nos. 14966/68 and 20217/68. Heading C1B. A method of modifying the growth of plants comprises applying to the plants, seeds or growth medium, a phosphorus compound of formula wherein X is oxygen or sulphur ; W is C 1-20 alkyl, 4,6-bisphosphonyl-2-s-triazinyl or -(CH 2 )nR where n is 0 to 7 and R is naphthyl or phenyl, optionally substituted with halo, nitro and alkyl groups; Y is hydroxyl, amino, alkylamino, W or 2-haloethyl; or W and Y are both 2-haloethyl; and Z is hydroxyl, amino or alkylamino; or a salt or an ester thereof. Typical phosphorus compounds which may be used are phenyl, 3- phenyl-propyl and p-chlorobenzyl-phosphonic acids, bis-n-octyl phosphinic acid and salts, esters and amides thereof. Application may be in admixture with conventional fertilizers.
Phenoxyyphenoxyyalkane carboxylic acid derivative*its manufacture and herbicide and plant growth controlling agent as active component of said compound